Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357569 | Crown lock structure and timepiece having crown lock structure | — | 2008-04-15 |
| 7192182 | Winding stem pipe with friction ring | Haruki Hiranuma, Nobukazu Omori | 2007-03-20 |
| 7118270 | Portable watch | Haruki Hiranuma | 2006-10-10 |
| 7111977 | Portable watch | Haruki Hiranuma | 2006-09-26 |
| 7052173 | Timepiece | Haruki Hiranuma, Nobukazu Omori | 2006-05-30 |
| 6886975 | Watch | Haruki Hiranuma, Nobukazu Oomori | 2005-05-03 |
| 6821014 | Rotating-type bezel apparatus and portable timepiece having rotating-type bezel apparatus | Haruki Hiranuma, Nobukazu Oomori | 2004-11-23 |